12 March 2013 Pulsed picosecond 766 nm laser source operating between 1-80 MHz with automatic pump power management
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Proceedings Volume 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII; 860409 (2013); doi: 10.1117/12.2003900
Event: SPIE LASE, 2013, San Francisco, California, United States
Abstract
The optical amplification and frequency conversion of a gain-switched 1532 nm distributed feedback (DFB) laser diode over a wide range of repetition rates are studied. A two stage Erbium fiber amplifier setup is pumped at 976 nm and operated at 1 to 80MHz pulse repetition frequency. The seed laser repetition rate is evaluated directly inside the pumping electronics to set the optimum pump power. Second-harmonic generation to 766 nm is achieved in a periodically poled lithium niobate bulk crystal. There is a high demand of several hundred milliwatt of picosecond pulsed laser power for stimulated emission depletion (STED) microscopy.
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Thomas Schönau, Torsten Siebert, Romano Härtel, Thomas Eckhardt, Dietmar Klemme, Kristian Lauritsen, Rainer Erdmann, Nicole Bornemann, "Pulsed picosecond 766 nm laser source operating between 1-80 MHz with automatic pump power management", Proc. SPIE 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII, 860409 (12 March 2013); doi: 10.1117/12.2003900; https://doi.org/10.1117/12.2003900
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KEYWORDS
Picosecond phenomena

Semiconductor lasers

Crystals

Fiber amplifiers

Optical amplifiers

Laser sources

Second-harmonic generation

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